3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $timeTarget = 0.2; $cost = 9; do { $cost++; $start = microtime(true); password_hash("test", PASSWORD_BCRYPT, ["cost" => $cost]); $end = microtime(true); } while (($end - $start) < $timeTarget); echo "Appropriate Cost Found: " . $cost . "\n";
Output for 5.5.24 - 7.0.6, 7.1.0
Appropriate Cost Found: 12
Output for 7.0.14
Appropriate Cost Found: 14
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function password_hash() in /in/nkS1m on line 9
Process exited with code 255.
Output for 5.2.15 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/nkS1m on line 9
Process exited with code 255.